New Mineral Named After GIA’s John Koivula
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 Post subject: World Hallmarks Volume I: Holiday Sale
PostPosted: Sat Dec 07, 2013 11:35 pm 
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Joined: Sun Oct 16, 2005 12:22 pm
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Location: San Francisco
This book is to hallmarks, what Koivula's Photoatlas of Inclusions in Gemstones is to inclusions!

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 Post subject: Re: World Hallmarks Volume I: Holiday Sale
PostPosted: Sun Dec 08, 2013 8:33 am 
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Location: Rome, Italy
absolutely a must have!!! :D

ciao
alberto

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